/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/ViewModels/NiagaraParameterPanelViewModel.h
virtual bool CanAddType ( const [FNiagaraTypeDefinition](API\Plugins\Niagara\FNiagaraTypeDefinition) & InType, [TOptional](API\Runtime\Core\IO\TOptional)< [FNiagaraParameterPanelCategory](API\Plugins\NiagaraEditor\FNiagaraParameterPanelCategory) > Category )